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To examine whether accelerometry can quantitate asymmetry of upper limb activity in infants aged 3–12 months at risk for developing unilateral spastic cerebral palsy (USCP). A prospective study was performed in 50 infants with unilateral perinatal brain injury at high risk of developing USCP. Triaxial accelerometers were worn on the ipsilateral and contralesional upper limb during the Hand Assessment for Infants (HAI). Infants were grouped in three age intervals (3–5 months, 5–7.5 months and 7.5 until 12 months). Each age interval group was divided in a group with and without asymmetrical hand function based on HAI cutoff values suggestive of USCP. In a total of 82 assessments, the asymmetry index for mean upper limb activity was higher in infants with asymmetrical hand function compared to infants with symmetrical hand function in all three age groups (ranging from 41 to 51% versus − 2–6%, p < 0.01), while the total activity of both upper limbs did not differ. Upper limb accelerometry can identify asymmetrical hand function in the upper limbs in infants with unilateral perinatal brain injury from 3 months onwards and is complementary to the Hand Assessment for Infants. [ABSTRACT FROM AUTHOR]

Producing triggers to switch between modes of myoelectric prosthetic hands has proven to be difficult. We evaluated whether digital training methods were feasible in individuals with an upper limb defect (ULD), whether myosignals in these individuals differ from those of non-impaired individuals and whether acquired skills transfer to prosthesis use. Two groups participated in a 9-day pre-test–post-test design study with seven 45-minute training sessions. One group trained using a serious game, the other with their myosignals digitally displayed. Both groups also trained using a prosthesis. The pre- and post-tests consisted of an adapted Clothespin Relocation Test and the spherical subset of the Southampton Hand Assessment Procedure. After the post-test, the System Usability Scale (SUS) was administered. Clinically relevant performance measures and myosignal features were analysed. Four individuals with a ULD participated. SUS-scores deemed both training methods feasible. Three participants produced only a few correct triggers. Myosignals features indicated larger variability for individuals with a ULD compared to non-impaired individuals (previously published data [1]). Three participants indicated transfer of skill. Even though both training methods were deemed feasible and most participants showed transfer, seven training sessions were insufficient to learn reliable switching behaviour. Trial registration: The study was approved by the medical ethics committee of the University Medical Center Groningen (METc 2018.268). Switching between pre-programmed modes of a myoelectric prosthetic hand can be learned, however it does require training. Serious games can be considered useful training tools for trigger production in early phases of myoelectric prosthesis control training. In order to evoke transfer of skill from training to daily life both task-specificity and focus of attention during training should be taken into account. [ABSTRACT FROM AUTHOR]

To guide better prevention and treatment and to develop research priorities, this study aims to create an overview of facilitators and barriers for the development and persistence of musculoskeletal complaints (MSCs) in individuals with upper limb absence (ULA). Exploratory mixed methods design. A focus group (FG) was organized with individuals with ULA about MSCs and associated factors. An inductive approach was employed to the transcript and the studies. A scoping review was performed to systematically identify barriers and facilitators. The International Classification of Functioning, Disability, and Health was used to create an integrated overview of the results. Eleven participants participated in the FG, eight of them currently sustained or had sustained MSCs in the last year. Ten studies were included in the scoping review. The final overview consisted of 67 associated factors. Participants of the FG predominantly mentioned psychosocial factors, whereas the literature dominantly reported biomechanical factors. The extensive overview of 67 factors showed that facilitators and barriers for MSCs are heterogeneous and aids in a better understanding of the complex nature of MSCs. Several biomechanical and psychosocial factors contribute to MSCs, but the association with a prosthesis remains unclear. Musculoskeletal complaints (MSCs) are highly prevalent in the population with upper limb absence (ULA) and the overview of 67 factors could help in the prevention and treatment of MSCs. Psychosocial factors in the development and persistence of MSCs are underreported in literature, but are important contributors to MSCs according to patients. Wearing a prosthesis does not seem to be protective for the development or persistence of MSCs. Social support, especially from significant others and employers, is essential to help protect MSCs in those with ULA. [ABSTRACT FROM AUTHOR]

Introduction: During transition to adulthood young adults with disabilities are at risk of experiencing limitations due to changing physical and social requirements. Purpose: To determine whether young adults with transversal upper limb reduction deficiency (tULRD) have experienced limitations in various domains of participation during transition to adulthood and how they dealt with these limitations. Participants: Fifteen participants (mean age 21.4 years) with tULRD. Methods: A qualitative study was performed using a semi-structured interview based on the Rotterdam Transition Profile to identify the limitations experienced in participation domains. Results: Almost all the participants reported difficulties in finding a suitable study or job. Most young adults were convinced they were suitable for almost any study or job, but their teachers and potential employers were more reserved. Few difficulties were reported on the domains leisure activities, intimate relationships/sexuality, housing/housekeeping and transportation. Participants preferred to develop their own strategies for dealing with limitations. Various aids, adaptations and prostheses were used to overcome limitations. Rehabilitation teams were infrequently consulted for advice in solving transitional problems. Conclusion: Young adults with tULRD experience limitations mainly in choosing and finding a suitable study or job. Rehabilitation teams may play a more extensive role in supporting individuals with transitional problems. [ABSTRACT FROM AUTHOR]

Purpose: To study the course and consequences of work-related upper extremity disorders in the registry of the Netherlands Centre for Occupational Diseases (NCvB). Methods: A follow-up study was performed in a sample of consecutive cases of work-related upper extremity disorders notified to the NCvB. Perceived severity was measured with VAS (0-100), quality of life with VAS (0-100) and SF-36, functional impairment with DASH and sickness absence with a questionnaire. Measurements took place directly after notification (T0) and after 3, 6 and 12 months (T1-T3). A linear mixed model was used to compare scores over time. Results: Average age of the 48 consecutive patients (89% response) was 42 years; 48% were men. Perceived severity, functional impairment and sickness absence decreased statistically significant during the follow-up period, and quality of life scores improved. Patients older than 45 years scored worse on perceived severity of the disease, functional impairment and quality of life than did younger patients. Conclusions: The role of registries of occupational diseases for preventive policy can be extended by creating longitudinal data in sample projects. In the sample from our registry, work-related upper extremity disorders had a favourable course. [ABSTRACT FROM AUTHOR]